Miss Alex White’s shadow towers against the three-story side walls of the atrium as September afternoon light streams in the west windows of Chicago’s Museum of Contemporary Art. Alex and her kid brother Francis are tearing through Bowie covers to kick off opening night of the MCA’s David Bowie Is… exhibit. It’s a little sloppy but that’s part of the charm. Alex sounds commanding yet innocent on lead vocals, notes of Grace Slick and Patti Smith, Francis joining in on shouted choruses. (more…)